Seigin no Onna Kenshi to Warui Mahoutsukai

In this world, sword and magic rules everything.
Kingdom of Garner has been kepi in peace under the holy female warrior Lia Water and her magic knights.
However, while the king and lord of magic has been away, the kingdom was attacked, and Lia was kidnapped.
What awaited Lia in the neighbor country were days of humiliation...

[From DLsite English]